名词
中文翻译：气味标记
同义词：
['odor mark', 'scent mark', "odor trail例句：1. The scent marking on the wall is so faint that it's hard to detect.（墙上的气味标记太微弱了，几乎无法察觉。）"]
例句：
-
1. The scent marking on the wall is so faint that it's hard to detect.
墙上的气味标记太微弱了，几乎无法察觉。
-
2.The scent marking on the clothes indicates that they have been washed recently.
衣服上的气味标记表明它们最近洗过。
-
3. The scent marking on the skin may indicate a recent infection.
皮肤上的气味标记可能表明近期感染。